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Quality of Service
88
Table 14 Well-known protocol types
Number Protocol Name
89
ospf
112
vrrp
TCP/UDP
TCP/UDP application source port, as shown in the table titled “Well-Known Application Ports”
TCP/UDP application destination port, as shown in the table titled “Well-Known Application
Ports”
TCP/UDP flag value, as shown in the table titled “Well-Known TCP Flag Values”
Table 15 Well-known application ports
Number TCP/UDP
Application
Number TCP/UDP
Application
Number TCP/UDP
Application
20
ftp-data
79
finger
179
irc
21
ftp
80
http
194
imap3
22
ssh
109
pop2
220
ldap
23
telnet
110
pop3
389
https
25
smtp
111
sunrpc
443
rip
37
time
119
nntp
520
rtsp
42
name
123
ntp
554
Radius
43
whois
143
imap
1645;1812
Radius
Accounting
53
domain
144
news
1813
hsrp
69
tftp
161
snmp
1985
70
gopher
162
snmptrap
Table 16 Well-krown TCP flag values
Flag Value
URG
0x0020
ACK
0x0010
PSH
0x0008
RST
0x0004
SYN
0x0002
FIN
0x0001